Engineering firm TTL, which is headquartered in Tuscaloosa and runs five other offices in Alabama, Georgia and Tennessee, has promoted Laura Reinbold to branch manager in Nashville. Reinbold, a Vanderbilt grad with more than 25 years of industry experience, was previously TTL's professional development manager. Rick Heckel, TTL's COO, said she is "a strategic thinker who has the vision and leadership skills to lead the Nashville Branch through an aggressive growth strategy."